#include <stdio.h>
 
int main()
{
    int a = 9 / 2;
    printf("a = %d\n", a);
    float b = 9 / 2;
    printf("b = %f\n", b);
    float c = 9.0 / 2;
    printf("c = %f\n", c);
    return 0;
}